Subete ga F ni Naru


The Perfect Insider

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Alternative Titles

Synonyms: Everything Becomes F: The Perfect Insider
Japanese: すべてがFになる THE PERFECT INSIDER
English: The Perfect Insider
German: The Perfect Insider: Subete ga F ni naru
Spanish: The Perfect Insider
French: The Perfect Insider: Surdduee et Meurtriere - Elle est la Cle de l'Enquête
More titles

Information

Type: TV
Episodes: 11
Status: Finished Airing
Aired: Oct 9, 2015 to Dec 18, 2015
Premiered: Fall 2015
Broadcast: Fridays at 00:55 (JST)
Licensors: Sentai Filmworks
Studios: A-1 Pictures
Source: Novel
Genres: MysteryMystery, Sci-FiSci-Fi, SuspenseSuspense
Themes: Adult CastAdult Cast, DetectiveDetective, PsychologicalPsychological
Duration: 23 min. per ep.
Rating: R - 17+ (violence & profanity)

Statistics

Score: 7.231 (scored by 7187971,879 users)
1 indicates a weighted score.
Ranked: #33392
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #1478
Members: 181,115
Favorites: 748

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Streaming Platforms

7.23
Ranked #3339Popularity #1478Members 181,115
Add to My List
Episodes: /11

Synopsis

In a research facility hidden away on a remote island, genius programmer Shiki Magata has lived as a recluse for years. She rarely sees guests, but associate professor Souhei Saikawa and university student Moe Nishinosono still seek her out. However, their meeting is cut short when they are caught up in a locked-room murder mystery.

Everything is not as it seems, and many secrets are hidden. Within an isolated facility, a seemingly impossible and gruesome crime takes place, and Saikawa and Moe must unravel the truth behind the murder and Magata's shrouded past.

[Written by MAL Rewrite]

Background

Subete ga F ni Naru is based on the Japanese mystery novel of the same name by Hiroshi Mori, which was released on April 5, 1996.

Characters & Voice Actors

Suwano

Supporting
Chou, Katsumi
Japanese

Shindou, Seiji

Supporting
Sakuya, Shunsuke
Japanese

Kawabata

Supporting
Takahashi, Shinya
Japanese

Fuchida

Supporting
Kijima, Ryuuichi
Japanese

Deborah

Supporting
Toda, Megumi
Japanese

Staff

Kanbe, Mamoru
Director, Episode Director, Storyboard
Shimizu, Katsunori
Sound Director


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Opening Theme

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"talking" by KANA-BOON
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Ending Theme


Episode Videos




Reviews

Sep 5, 2025
One of the most interesting anime out there. The complexity and deep lore are remarkable, touching on mature subjects like the nature of humanity, how the brain works, and the meaning of life and death. This anime is truly seinen—made for adults with a personality that enjoys thinking, analyzing, and searching for meaning.

I really liked the character Saikawa, and Magata was written with near perfection. Maybe it’s because I’m into this kind of work, but I genuinely enjoyed it. Even the soundtrack stood out—it was so good that it helped me focus even more on the story. The anime, The Perfect Insider, really lives up ...
Aug 15, 2023
Mixed Feelings
After passing it over at least half a dozen times while deciding which anime to watch, my wife and I finally gave The Perfect Insider a go and if nothing else it was certainly unique and didn't feel overly like any other anime we've seen. At just 11 episodes it's a fast, approachable program, though it somehow manages to feel like it doesn't truly even have enough content to fill that very short run time, and it certainly loses steam towards the end as well, leaving us with an overall mixed bag that I'll now discuss with a bit more detail.

From the very beginning the ...
May 23, 2025
Murder mystery case drowned under meaningless ramblings, stuffed with characters that have no motivations.
The story is completely nonsensical since the beginning, hence the logic and common sense were taken away from the characters to divert the attention from the case. Couldn't they at least inspect the corpse of the victim?

"Philosophical" monologues, self-praises for the thrice in a generation geniuses, eureka moments coming from hints never shown, and garbage romance drama... This is just bad.

I can't care less about the controversy over immoral/illicit actions or scenes that reviewers usually praise as brave or condemn as disgusting, because it's a fictional story like everything else.

Interest Stacks

45 Entries · 171 Restacks
by Gino99
50 Entries · 266 Restacks
20 Entries · 32 Restacks

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